Make sure where applying strtolower on the users email on the frontend as well.

Author: death-droid

resources/themes/pterodactyl/layouts/master.blade.php

@@ -58,7 +58,7 @@
                         <ul class="nav navbar-nav">
                             <li class="dropdown user-menu">
                                 <a href="#" class="dropdown-toggle" data-toggle="dropdown">
-                                    <img src="https://www.gravatar.com/avatar/{{ md5(Auth::user()->email) }}?s=160" class="user-image" alt="User Image">
+                                    <img src="https://www.gravatar.com/avatar/{{ md5(strtolower(Auth::user()->email)) }}?s=160" class="user-image" alt="User Image">
                                     <span class="hidden-xs">{{ Auth::user()->name_first }} {{ Auth::user()->name_last }}</span> <span class="caret"></span>
                                 </a>
                                 <ul class="dropdown-menu" role="menu">